Final answer:
Interview surveys involve one-on-one conversations between a trained human interviewer and the subject, allowing for a free-flowing exchange of information.
Step-by-step explanation:
Data collection techniques that require the presence of a trained human interviewer who asks questions and records the subject's answers are called interview surveys.
These surveys involve one-on-one conversations between the researcher and the subject, allowing for a free-flowing exchange of information. The researcher can ask for clarification, spend more time on a subtopic, or ask additional questions.